申请人:Nippon Oil Corporation
公开号:EP1544279A1
公开(公告)日:2005-06-22
A lubricating oil composition is disclosed which comprises a lubricating base oil, (A) at least one type of compound selected from specific phosphoric acid esters and salts thereof or in combination with (B) at least one type of compound selected from specific metal salts of specific phosphoric acid esters, with excellent oxidation stability, base number retention properties, anti-wear properties, extreme pressure properties and anti-corrosion properties and thus can be suitably used, in particular, as a lubricating oil for an internal combustion engine.
本发明公开了一种润滑油组合物,它由润滑基础油、(A) 至少一种选自特定磷酸酯及其盐类的化合物或与(B) 至少一种选自特定磷酸酯的特定金属盐类的化合物组合而成,具有优异的氧化稳定性、基数保持性能、抗磨损性能、极压性能和抗腐蚀性能,因此可适当用作内燃机润滑油,尤其是内燃机润滑油。